Atlantic threadfin (Polydactylus octonemus) fish species and information / pictures of Atlantic threadfin - Polydactylus octonemus

Atlantic threadfin (Polydactylus octonemus) fish species information

Scientific Name
Polydactylus octonemus

Common Name
Atlantic threadfin

Biology
Occurs on sand or mud bottoms and on beaches, especially on the surf (Ref. 57343).

Classification

Classified By
Girard, 1858
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Threadfins (Polynemidae)

Distribution

Region
Western Atlantic
Distribution
Western Atlantic: New York and along the coast to the western coast of Yucat?n, Mexico (Ref. 57343). Some authors report this species as occurring throughout northern South America (Ref. 5217).
Range
42°N - 18°N, 98°W - 71°E

Environment

Climate
Subtropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
5 m
Depth To - meters
66 m
Zone
demersal
Environment
Marine; demersal; depth range 5 - 66 m (Ref. 32117), usually 5 - 16 m (Ref. 32117)
Trophic Level
3.6 s.e. 0.61 Based on size and trophs of closest relatives
Occurs in Marine / Salt water
True
Occurs in Brackish water
False
Occurs in Fresh Water
False
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
33.0 cm
Common Length
25.0 cm
Phylogenetic Diversity Index
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: minor commercial
Vulnerability
Low vulnerability (16 of 100)
Resilience
High, minimum population doubling time less than 15 months (tm
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated